Dense wide angle fresnel lens array for infrared motion detector



The single FIGURE is a front elevational view of a dense wide angle fresnel lens array for infrared motion detector showing our new design, the lens array being a flat, rectangular, thin sheet having a front surface with grooves thereon and a plain, smooth, rear surface with no ornamentation. 

The ornamental design for a dense wide angle fresnel lens array for infrared motion detector, as shown and described. 